Turn document views into deals
Launch a smart deal room in 60 seconds. Track opens, capture leads and collect signatures, all in one secure link.
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No credit card
Instant setup

k
Smart links shared by
k
Dealmakers onboard
+
Countries
1
Launch a Deal Room
Create a secure, branded room in seconds, no setup required.
2
Share & track
Share a smart link, identity, access, and lead capture handled for you.
3
Analyze in real time
Know what’s working, down to the slide and second.
4
Sign off & close
Collect signatures the moment engagement is high, no friction.
Built for dealmakers
Trusted by top teams. Zero setup, smart defaults.
Powering enterprise teams
500k
+
Smart links shared globally
Testimonials
The best part about Sizle.io is finding out who viewed a presentation, which slides they focused on, and for how long.
Global community
Trusted by 29,000+ dealmakers in 175+ countries
Sizle.io is a great tool to easily share files that we do not want to be copied or modified.
The best part about Sizle.io is finding out who viewed a presentation, which slides they focused on, and for how long.
The sales team were amazed that they could “see” what slides the clients were reviewing in real-time.
Sizle.io surpassed our expectations when we saw how a client is engaging with our proposal.
Understanding when, where, and how much the recipients of our decks are engaged helps tremendously with our follow-up.”
Sizle.io is incredibly easy to use. Upload and send your document and you get detailed analytics on who viewed it.
The ability to quickly and securely share a document and view analytics has improved my file sharing process.
The insights and analytics are detailed and useful. No longer do I have to wonder if a client has opened an email.
Seeing how much time prospects spend on each slide helps us optimise our collateral.
Start
closing
smarter
today.
Frequently
asked questions
Can’t find an answer?
Talk to our friendly team
A Deal Room is a secure, trackable space to share documents with external stakeholders during projects such as fundraising, M&A, due diligence, and strategic deals. Unlike basic file sharing, Deal Rooms like Sizle give you detailed insights into who views your documents, for how long, and where they engage, helping you close faster.
Yes. Sizle, you can request legally binding signatures in seconds with no recipient account required. Signatures are backed by Lumin, the global standard for compliant, secure eSignatures. Every signed document includes a secure audit trail.
Yes. Every signature collected is legally binding and compliant with ESIGN (US), UETA (US), and eIDAS (EU) regulations. Every document includes a secure audit log.
Absolutely. Every secure document link can be set to require a password or email address before allowing access, expire after a set time, expire after opening, disable download access, disable commenting and more.
Dropbox stores files. DocSend shares them. Sizle closes them. Sizle’s platform combines branded sharing, lead capture, real-time viewer insights and legally binding signatures, in a single secure link. Think of Sizle as your document-based CRM signal layer, know who’s interested, when to follow up and how to accelerate deals.
When your trial ends, new share links and signature requests are paused, but existing links remain active and continue collecting insights. To keep using lead capture, eSignatures, viewer analytics and more, simply choose a plan.
Viewers are leads.
Track your next deal in real-time, free for 7 days
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